Fix Cannot start Microsoft Outlook window, Invalid XML on Windows
0Here's how to Fix Cannot start Microsoft Outlook window, Invalid XML on Windows.
i. Sure, here are some possible solutions to the error "Cannot start Microsoft Outlook window, Invalid XML":
1. **Reset the navigation pane settings.** To do this, follow these steps:
* Close Outlook.
* Open a Command Prompt window as an administrator.
* Type the following command and press Enter:
```
Outlook.exe /resetnavpane
```
* Restart Outlook.
2. **Repair the Outlook profile.** To do this, follow these steps:
* Close Outlook.
* Open the Control Panel.
* Click on "Mail" (or "Email and Calendar" in Windows 10).
* Click on "Manage accounts".
* Click on the account that is having problems and then click on "Repair".
3. **Create a new Outlook profile.** To do this, follow these steps:
* Close Outlook.
* Open the Control Panel.
* Click on "Mail" (or "Email and Calendar" in Windows 10).
* Click on "Add account".
* Click on "Manually configure server settings or additional server types".
* Click on "Next".
* Select "Microsoft Exchange or POP3/IMAP" and then click on "Next".
* Click on "More Settings".
* Click on the "Advanced" tab.
* In the "Profile name" field, type a name for your new profile.
* Click on "OK".
* Click on "Next".
* Follow the instructions to configure your new profile.
4. **Reinstall Microsoft Office.** To do this, follow these steps:
* Go to the Microsoft website and download the latest version of Microsoft Office.
* Run the installer and follow the instructions.
5. **Contact Microsoft Support.** If you have tried all of the above solutions and you are still having problems, you can contact Microsoft Support for help.
ii. The Outlook.exe /resetnavpane command is a command-line switch that can be used to reset the navigation pane in Microsoft Outlook. The navigation pane is the leftmost pane in Outlook where you can find your folder list and the icons to move between Mail, Calendar, People, and Tasks.
To use the Outlook.exe /resetnavpane command, follow these steps:
1. Close Outlook.
2. Open a Command Prompt window as an administrator.
3. Type the following command and press Enter:
```
Outlook.exe /resetnavpane
```
4. Restart Outlook.
The Outlook.exe /resetnavpane command will reset the navigation pane to its default settings. This can be useful if the navigation pane is not working properly or if you have made changes to the navigation pane that you want to undo.
Here are some additional things to keep in mind about the Outlook.exe /resetnavpane command:
* The Outlook.exe /resetnavpane command only affects the navigation pane in the current Outlook profile. If you have multiple Outlook profiles, you will need to run the command for each profile.
* The Outlook.exe /resetnavpane command will not delete any of your data or settings. It will only reset the navigation pane to its default settings.
* If you are still having problems with the navigation pane after running the Outlook.exe /resetnavpane command, you may need to repair or rebuild your Outlook profile.
iii. The Outlook.xml file is a hidden file that is created by Microsoft Outlook. It contains information about the navigation pane in Outlook, such as the order of the folders and the location of the toolbars.
The Outlook.xml file is located in the following folder:
* **%appdata%\Microsoft\Outlook**
If the Outlook.xml file is corrupted or deleted, it can cause problems with the navigation pane in Outlook. To fix this problem, you can try to repair or rebuild your Outlook profile.
Here are some additional things to keep in mind about the Outlook.xml file:
* The Outlook.xml file is hidden by default. To view it, you need to change the file properties to show hidden files.
* The Outlook.xml file is a critical file and should not be deleted or modified manually. If you need to make changes to the Outlook.xml file, you should use the built-in tools in Outlook.
* If you are having problems with the navigation pane in Outlook, you can try to repair or rebuild your Outlook profile.